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how do i make stone grinding bowl and a stone grinder

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Jesse8fox1	how do i make stone grinding bowl and a stone grinder	Lead	[-]
Posts: 21 (06/02/09 12:22 PM) Reply Quote More My Recent Posts Message Me Connection Blocking Invite Ignore User's Posts	Tags : stone, rock, grinder, bowl i was wondering if some one could tell me what kind of rack i would use and how to make the bowl and grinder. also what tools would i need?
Mahto Sapa Numpa		#1	[-]
Posts: 906 (06/02/09 8:19 PM) Reply Quote More My Recent Posts Message Me Connection Blocking Invite Ignore User's Posts	You need rock but mostly you need time. The local natives here in Eastern Oregon chose volcanic stone that had small air pockets in them to make a lot of their bowls. I assume it was faster to peck and grind them out. Find a rounded, hard rock cobble, like found in a stream bed and made of quartzite or another hard stone and about the size of a baseball so it is easy to handle It doesn't have to be perfectly round but should have a rounded end. Begin at the center of where your bowl will be and tap at the softer rock. Not hard swings just steady taps, you will begin to see the dust created as you do this. the dust is the softer rock wearing away. Do this for countless hours until the inside of your bowl is to the size you want then start on the outside to make it sit flat and shape it to your liking. Pestles are made the same way with peck and grind. The original pestles I have seen, seem to be a bit harder rock than the bowl. I have two over sized stones chosen to do just this but have yet to start on the process. I have made a few small "paint bowls" this way. Kirby When the white man came to America, it was a mans job to hunt and fish. . . . . . And we thought we could improve on that?
Wildcraftr		#2	[-]
Posts: 102 (06/03/09 9:22 AM) Reply Quote More My Recent Posts Message Me Connection Blocking Invite Ignore User's Posts	There should be a way to place the bottom stone in a creek with the hammer stone mounted on a stick. Then make a pivot in the middle (balance-wise) of the stick and attach a paddle to the other end. A little trial and error, but you can set up an oscillating action where the water will pound the stone FOR YOU, over and over, while you do something else, like sleep.
Rocks in Head		#3	[-]
Posts: 352 (06/03/09 6:44 PM) Reply Quote More My Recent Posts Message Me Connection Blocking Invite Ignore User's Posts	wildcraftr, I like your way of thinking. now you got the wheels a turning. hmmmmm.......
Coyotlviejo		#4	[-]
Posts: 4180 (06/03/09 7:44 PM) Administrator Reply Quote More My Recent Posts Message Me Connection Blocking Invite Ignore User's Posts	Last weekend at the North Umpqua Knap-In we were doing a rhythym jam session around the fire. Since I had forgotten to bring the hand drums we had to make do with what we had. I got a small stone that Rocks-in-Head was using as a pestle, and I started clacking it against the bowl of a mortar that I'm making. It sounded great when mixed with the other instruments, and by the time we were done I had carved the bowl about a centimeter deeper. It was very unlike work... Dan My Website...
Wildcraftr		#5	[-]
Posts: 103 (06/04/09 2:57 AM) Reply Quote More My Recent Posts Message Me Connection Blocking Invite Ignore User's Posts	Rocksinhead, I didn't think of that. It is a way the old-time potters used to crush glass to a powder for making glaze. They had a paddle that flopped around in the water while the box of glass chips sat on the bank. There are pictures in one (which one?) of the Foxfire books.
Coyotlviejo		#6	[-]
Posts: 4182 (06/04/09 4:42 AM) Administrator Reply Quote More My Recent Posts Message Me Connection Blocking Invite Ignore User's Posts	Oh, Jesse, we should also mention that you should use the same type of stone for both the bowl (mortar) and grinder (pestle). If you use unmatched stones you'll get one that grinds down faster than the other while you are using them. It's only during the manufacture of the bowl that you want to use a harder stone for shaping it. Dan My Website...

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